SIRIO SDB 270 BLACK SL - Antenna veicolare inclinabile 144/430 MHz

SDB 270 BLACK

DESCRIPTION:

Dual Band (VHF/UHF) vehicle antenna with low loss "SL" type base

Stainless steel base and joint, black filler, removable for vehicle washing and tiltable up to 90°

ELECTRICAL CHARACTERISTICS

- Wave configuration : VHF 1/4 λ, UHF 3/4 λ;

- Frequency : VHF 145 MHz, UHF 435 MHz;

- Impedance : 50Ω unbalanced;

- Radiation (H-plane) : 360° omnidirectional;

- Polarization : vertical;

- Gain : 0 dB referred to a λ /4 stylus;

- Bandwidth with 2:1 VSWR : VHF 17 MHz, UHF 40 MHz;

- VSWR at the resonant frequency : VHF ≤ 1.5:1, UHF ≤ 1.2:1;

- Maximum Power : 100 Watts;

- Base type : "SL";

- Cable type & cable length : 5 m. / RG 58

MECHANICAL CHARACTERISTICS:

- Height (approx.) : 535 mm;

- Weight (approx.) : 360 gr;

- Mounting hole : Ø 19 mm;

SDB 270 vehicle antenna

SDB 270

CHARACTERISTICS:

- Mobile antenna, Dual-band;

- Omnidirectional, unity gain;

- 17/7 PH stainless steel whip spring ;

- 90° inclination and adjustable whisk, detachable for car wash access.


ELECTRICAL DATA

- Type : VHF 1/4, UHF 3/4;

- Frequency range @ SWR 2:

SKA DB 144-432: VHF 133-143 MHz, UHF 419-451 MHz;
SDB 270: VHF 137-154 MHz, UHF 418-458 MHz;

- Impedance : 50 Ohm;

- Radiation (H-plane) : 360 omnidirectional;

- Polarization : vertical linear;

- Gain : 0 dB ref. to ? /4 whips;

- Maximum Power (CW) @ 30°C : 100 Watts;

- Mounting standard: SL-S;

- Cable type / Length: 5 m / RG 58;

MECHANICAL DATA

- Material : 17/7 PH stainless steel, chromed brass;

- Height (approx.):

SKA DB 144-432: 505 mm;
SDB 270: 535 mm;

- Weight (approx.):

SKA DB 144-432: 390 gr;
SDB 270: 360 g;

- Mounting hole : 19mm;

TECHNICAL DETAILS

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